// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db = cloud.database()
const _ = db.command
// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  openid=wxContext.OPENID
  let Did = event.id
  try{
  return await db.collection('shopping-cart')
  .where({
    openid:openid
  })
  .update({
    data:{
      goods:_.pull({
        'id':Did
      })
    }
  })
 } catch(e){
   console.error(e)
 }
}